Support for tilde in version/release got added in rpm-4.10.0-beta1, currently in rawhide. It cannot be (yet) used in Fedora packages though, as the build infrastructure runs on older rpm versions which dont know about it and cannot install packages with tilde in version/release.
Support for tilde in version/release got added in rpm-4.10.0-beta1, currently in rawhide. It cannot be (yet) used in Fedora packages though, as the build infrastructure runs on older rpm versions which dont know about it and cannot install packages with tilde in version/release.